Unique four-sided design provides extra strength and support and helps prevent slipping and deformation of aluminum nipples. Uses the same world famous design and high quality materials as our three-sided spoke wrenches.

The SW-42 is the same 3.45mm (0.136") size as the SW-2 (red).

The shape of the SW-40 and SW-42, seen below, are designed to grab the four corners of the square spoke nipple.

We can order other sizes spokes wrench, contact us if you need the green or black version